English

specialize

From special + -ize.

A compound of special + -ize

Proto-Indo-European *speḱ- ‘to see’

…

Latin speciēs ‘seeing’

Latin speciālis ‘specific’

Old French especial

Middle English *special

Today it means

verb To go into specific details.

Language periods are conventional ranges, not dates for this word.

Etymograph / specialize